#1B0A42#1B0A42

#1B0A42 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.5% C 0.098 H 289.3°. Best body text is #FFFFFF at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B0A42
RGB	rgb(27, 10, 66)
HSL	hsl(258, 74%, 15%)
HSV	hsv(258, 85%, 26%)
CMYK	cmyk(59.1%, 84.8%, 0%, 74.1%)
CIE-LAB	lab(7.62, 24.82, -32.00)
CIE-LCH	lch(7.62, 40.50, 307.79°)
OKLab	oklab(21.47% 0.0323 -0.092)
OKLCH	oklch(21.47% 0.098 289.3)
XYZ	xyz(1.5436, 0.8434, 5.2347)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0A42 #31420A

analogous

#0A1542 #1B0A42 #370A42

triadic

#1B0A42 #421B0A #0A421B

tetradic

#1B0A42 #420A15 #31420A #0A4237

square

#1B0A42 #420A15 #31420A #0A4237

split-complementary

#1B0A42 #42370A #15420A

monochromatic

#0B041B #0B041B #1B0A42 #311277 #461AAC

Accessibility & contrast

On white

17.97

#1B0A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0A42

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0A42	#FFFFFF	#000000	##FFFFFF
##1B0A42	1.00	17.97	1.17	17.97
#FFFFFF	17.97	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001844

Deuteranopia (green-blind)

#001541

Tritanopia (blue-blind)

#0C1925

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0a42;
/* rgb */ color: rgb(27, 10, 66);
/* oklch */ color: oklch(21.5% 0.098 289.3);

Tailwind

colors: {
  custom: {
    50: '#5d4b77',
    500: '#1b0a42',
    950: '#000000',
  },
}

SCSS

$custom: #1b0a42;
$custom-light: #5d4b77;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0a42",
  "rgb": {
    "r": 27,
    "g": 10,
    "b": 66
  },
  "hsl": {
    "h": 258.214,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21468,
    "c": 0.09751,
    "h": 289.3
  },
  "luminance": 0.00843
}

Semantic roles & 50–950 ramp

primary

#1B0A42

secondary

#657F29

accent

#F037B8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #1B0A42

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →